There are some questions about it: 1. Do the other softwares need to upgrade, such as cyrus-sasl?
AFAIK cyrus-imapd 2.2.x needs at least cyrus-sasl 2.1.15
This is very important to me, thank you for your advice.
2. How to backup and restore all the messages and users info store at the mailsystem?
Search the mailing list, this issue comes up often
I have searched for many times, but i could not got some useful issues because my ability of STW.
Could you pick me a hand?
3. Is there any other things i have to do?
Look at the install-upgrade.html document (it's in the doc subdirectory of the extracted tarball).
I have read the document, but there isn't a entire process of the operation of upgrade.
For newbie like me, i think it was not esay to understand it quickly.
Maybe i should found something about the principle of upgrade.
Thank you.
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